Rapid Fill Derby Cover - Custom Engraving

Introducing the original rapid fill derby cover. Now you can replace the oil in the primary without the removal of the cover or the need of a proprietary oil funnel. Makes refilling the primary pain free after a clutch adjustment as well. 

For assistance with custom engraving, please email us, and we will guide you through the process to get started. 

The fitment guide below is not always accurate. So please, MEASURE YOUR COVER before ordering. NOT COMPATIBLE WITH LOCK-UP PRESSURE PLATES. 

- Fits 2019 or newer, Milwaukee 8 softail models with the 6.4" 5-hole cover. 2018 was a crossover year so some models use the 6.4" and others use the 7.25".

- Fits 2017 or newer, Milwaukee 8 Touring. Street Glide, Road Glide, Tour Glide and Road King with the 7.75" 5-hole cover.  

- Fits 1999-2017 Twin Cam. Touring, Softail and Dyna with the 7.25" 5-hole cover.        Excludes '16/'17 Touring

- Fits last year of the Evo (1999) with 7.25" 5-hole cover.  

- Fits some 2018 Softail models equipped with the new Milwaukee 8 engine and twin cam primary cover. 7.25" 5-hole derby cover (Measure if unsure).  

- Fits Sportster '04-later XL and XR models with 6 bolt pattern (6.7")

- Raw machined 6061Al

- James Gasket included with M8 touring and twin cam covers only (replaces the oem o-ring)

- Anodized 6061 3/4-16 oil fill plug